testcms-final-anon/system/classes/items.php

   1 <?php defined('IN_CMS') or die('No direct access allowed.');
   2
   3 class Items implements Iterator {
   4
   5         private $position = 0;
   6         private $items = array();
   7
   8         public function __construct($array) {
   9                 $this->position = 0;
  10                 $this->items = $array;
  11         }
  12
  13         public function rewind() {
  14                 $this->position = 0;
  15         }
  16
  17         public function current() {
  18                 return $this->items[$this->position];
  19         }
  20
  21         public function key() {
  22                 return $this->position;
  23         }
  24
  25         public function next() {
  26                 ++$this->position;
  27         }
  28
  29         public function valid() {
  30                 return isset($this->items[$this->position]);
  31         }
  32
  33         public function length() {
  34                 return count($this->items);
  35         }
  36
  37         public function first() {
  38                 return isset($this->items[0]) ? $this->items[0] : false;
  39         }
  40
  41         public function last() {
  42                 $index = count($this->items) - 1;
  43                 return isset($this->items[$index]) ? $this->items[$index] : false;
  44         }
  45
  46 }